{"id":75714,"date":"2024-10-16T00:36:15","date_gmt":"2024-10-15T16:36:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/75714\/"},"modified":"2024-10-16T00:36:15","modified_gmt":"2024-10-15T16:36:15","slug":"mysql-8-0%e9%8e%96%e6%83%85%e6%b3%81%e6%8e%92%e6%9f%a5%ef%bc%8c%e4%bd%a0%e5%ad%b8%e6%9c%83%e4%ba%86%e5%97%8e%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/75714\/","title":{"rendered":"MySQL 8.0\u9396\u60c5\u6cc1\u6392\u67e5\uff0c\u4f60\u5b78\u6703\u4e86\u55ce\uff1f"},"content":{"rendered":"<h1 id=\"mysql-8-0%e9%8e%96%e6%83%85%e6%b3%81%e6%8e%92%e6%9f%a5%ef%bc%8c%e4%bd%a0%e5%ad%b8%e6%9c%83%e4%ba%86%e5%97%8e%ef%bc%9f-rlCCShDKkK\">MySQL 8.0\u9396\u60c5\u6cc1\u6392\u67e5\uff0c\u4f60\u5b78\u6703\u4e86\u55ce\uff1f<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u9396\u7684\u4f7f\u7528\u662f\u4e0d\u53ef\u907f\u514d\u7684\uff0c\u5c24\u5176\u662f\u5728\u9ad8\u4f75\u767c\u7684\u74b0\u5883\u4e2d\u3002MySQL 8.0\u4f5c\u70ba\u4e00\u500b\u6d41\u884c\u7684\u958b\u6e90\u6578\u64da\u5eab\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u9396\u6a5f\u5236\u4f86\u4fdd\u8b77\u6578\u64da\u7684\u5b8c\u6574\u6027\u3002\u7136\u800c\uff0c\u9396\u7684\u4f7f\u7528\u4e5f\u53ef\u80fd\u5c0e\u81f4\u6027\u80fd\u554f\u984c\uff0c\u7279\u5225\u662f\u7576\u9396\u7af6\u722d\u767c\u751f\u6642\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u6392\u67e5MySQL 8.0\u4e2d\u7684\u9396\u60c5\u6cc1\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u548cDBA\u66f4\u6709\u6548\u5730\u7ba1\u7406\u6578\u64da\u5eab\u3002<\/p>\n<h2 id=\"1-%e9%8e%96%e7%9a%84%e9%a1%9e%e5%9e%8b-rlCCShDKkK\">1. \u9396\u7684\u985e\u578b<\/h2>\n<p>\u5728MySQL\u4e2d\uff0c\u4e3b\u8981\u6709\u5169\u7a2e\u9396\uff1a\u884c\u9396\u548c\u8868\u9396\u3002\u884c\u9396\u662f\u91dd\u5c0d\u7279\u5b9a\u884c\u7684\u9396\u5b9a\uff0c\u80fd\u5920\u63d0\u9ad8\u4e26\u767c\u6027\u80fd\uff1b\u800c\u8868\u9396\u5247\u662f\u91dd\u5c0d\u6574\u500b\u8868\u7684\u9396\u5b9a\uff0c\u901a\u5e38\u6703\u5c0e\u81f4\u8f03\u5927\u7684\u6027\u80fd\u74f6\u9838\u3002<\/p>\n<h3 id=\"1-1-%e8%a1%8c%e9%8e%96-rlCCShDKkK\">1.1 \u884c\u9396<\/h3>\n<p>\u884c\u9396\u662fMySQL InnoDB\u5b58\u5132\u5f15\u64ce\u7684\u7279\u6027\u4e4b\u4e00\uff0c\u80fd\u5920\u5728\u591a\u500b\u4e8b\u52d9\u4e4b\u9593\u63d0\u4f9b\u66f4\u9ad8\u7684\u4e26\u767c\u6027\u3002\u884c\u9396\u7684\u5be6\u73fe\u4f9d\u8cf4\u65bc\u7d22\u5f15\uff0c\u7576\u4e00\u500b\u4e8b\u52d9\u9700\u8981\u4fee\u6539\u67d0\u884c\u6578\u64da\u6642\uff0c\u53ea\u6709\u8a72\u884c\u6703\u88ab\u9396\u5b9a\u3002<\/p>\n<h3 id=\"1-2-%e8%a1%a8%e9%8e%96-rlCCShDKkK\">1.2 \u8868\u9396<\/h3>\n<p>\u8868\u9396\u5247\u662f\u5c0d\u6574\u500b\u8868\u9032\u884c\u9396\u5b9a\uff0c\u9019\u610f\u5473\u8457\u5728\u9396\u5b9a\u671f\u9593\uff0c\u5176\u4ed6\u4e8b\u52d9\u7121\u6cd5\u5c0d\u8a72\u8868\u9032\u884c\u4efb\u4f55\u64cd\u4f5c\u3002\u8868\u9396\u7684\u4f7f\u7528\u901a\u5e38\u6703\u5c0e\u81f4\u6027\u80fd\u4e0b\u964d\uff0c\u56e0\u6b64\u61c9\u8b39\u614e\u4f7f\u7528\u3002<\/p>\n<h2 id=\"2-%e9%8e%96%e7%9a%84%e6%8e%92%e6%9f%a5%e6%96%b9%e6%b3%95-rlCCShDKkK\">2. \u9396\u7684\u6392\u67e5\u65b9\u6cd5<\/h2>\n<p>\u7576\u767c\u73fe\u6578\u64da\u5eab\u6027\u80fd\u4e0b\u964d\u6216\u4e8b\u52d9\u9577\u6642\u9593\u7121\u6cd5\u5b8c\u6210\u6642\uff0c\u6392\u67e5\u9396\u7684\u60c5\u6cc1\u662f\u5fc5\u8981\u7684\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u6392\u67e5\u65b9\u6cd5\uff1a<\/p>\n<h3 id=\"2-1-%e4%bd%bf%e7%94%a8show-engine-innodb-status-rlCCShDKkK\">2.1 \u4f7f\u7528SHOW ENGINE INNODB STATUS<\/h3>\n<pre><code>SHOW ENGINE INNODB STATUS;<\/code><\/pre>\n<p>\u9019\u500b\u547d\u4ee4\u53ef\u4ee5\u986f\u793aInnoDB\u7684\u72c0\u614b\u4fe1\u606f\uff0c\u5305\u62ec\u7576\u524d\u7684\u9396\u60c5\u6cc1\u3001\u6b7b\u9396\u4fe1\u606f\u7b49\u3002\u901a\u904e\u5206\u6790\u9019\u4e9b\u4fe1\u606f\uff0c\u53ef\u4ee5\u4e86\u89e3\u7576\u524d\u7684\u9396\u7af6\u722d\u60c5\u6cc1\u3002<\/p>\n<h3 id=\"2-2-%e4%bd%bf%e7%94%a8information_schema-rlCCShDKkK\">2.2 \u4f7f\u7528INFORMATION_SCHEMA<\/h3>\n<p>MySQL\u63d0\u4f9b\u4e86INFORMATION_SCHEMA\u8cc7\u6599\u5eab\uff0c\u5176\u4e2d\u5305\u542b\u4e86\u591a\u500b\u8868\u683c\u4f86\u67e5\u8a62\u9396\u7684\u72c0\u614b\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\u4f86\u7372\u53d6\u7576\u524d\u7684\u9396\u4fe1\u606f\uff1a<\/p>\n<pre><code>SELECT * FROM INFORMATION_SCHEMA.INNODB_LOCKS;<\/code><\/pre>\n<p>\u9019\u500b\u67e5\u8a62\u5c07\u8fd4\u56de\u7576\u524d\u6240\u6709\u7684\u9396\u4fe1\u606f\uff0c\u5305\u62ec\u9396\u7684\u985e\u578b\u3001\u6301\u6709\u8005\u7b49\u3002<\/p>\n<h3 id=\"2-3-%e4%bd%bf%e7%94%a8performance-schema-rlCCShDKkK\">2.3 \u4f7f\u7528Performance Schema<\/h3>\n<p>Performance Schema\u662fMySQL\u7684\u4e00\u500b\u5f37\u5927\u5de5\u5177\uff0c\u53ef\u4ee5\u7528\u4f86\u76e3\u63a7\u6578\u64da\u5eab\u7684\u6027\u80fd\u3002\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u67e5\u8a62\u4f86\u7372\u53d6\u9396\u7684\u7b49\u5f85\u4fe1\u606f\uff1a<\/p>\n<pre><code>SELECT * FROM performance_schema.data_locks;<\/code><\/pre>\n<p>\u9019\u5c07\u986f\u793a\u7576\u524d\u6240\u6709\u7684\u9396\u7b49\u5f85\u60c5\u6cc1\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u8b58\u5225\u6f5b\u5728\u7684\u6027\u80fd\u74f6\u9838\u3002<\/p>\n<h2 id=\"3-%e8%a7%a3%e6%b1%ba%e9%8e%96%e5%95%8f%e9%a1%8c%e7%9a%84%e7%ad%96%e7%95%a5-rlCCShDKkK\">3. \u89e3\u6c7a\u9396\u554f\u984c\u7684\u7b56\u7565<\/h2>\n<p>\u5728\u6392\u67e5\u51fa\u9396\u554f\u984c\u5f8c\uff0c\u63a5\u4e0b\u4f86\u662f\u89e3\u6c7a\u9019\u4e9b\u554f\u984c\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u7b56\u7565\uff1a<\/p>\n<ul>\n<li><strong>\u512a\u5316\u67e5\u8a62\uff1a<\/strong>\u78ba\u4fdd\u67e5\u8a62\u4f7f\u7528\u7d22\u5f15\uff0c\u6e1b\u5c11\u5168\u8868\u6383\u63cf\u7684\u60c5\u6cc1\u3002<\/li>\n<li><strong>\u6e1b\u5c11\u4e8b\u52d9\u7bc4\u570d\uff1a<\/strong>\u5c07\u4e8b\u52d9\u7684\u7bc4\u570d\u7e2e\u5c0f\uff0c\u907f\u514d\u9577\u6642\u9593\u6301\u6709\u9396\u3002<\/li>\n<li><strong>\u4f7f\u7528\u975e\u9396\u5b9a\u8b80\u53d6\uff1a<\/strong>\u5728\u53ef\u80fd\u7684\u60c5\u6cc1\u4e0b\uff0c\u4f7f\u7528READ UNCOMMITTED\u6216READ COMMITTED\u7b49\u9694\u96e2\u7d1a\u5225\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-rlCCShDKkK\">\u7e3d\u7d50<\/h2>\n<p>MySQL 8.0\u4e2d\u7684\u9396\u7ba1\u7406\u662f\u6578\u64da\u5eab\u6027\u80fd\u7684\u91cd\u8981\u7d44\u6210\u90e8\u5206\u3002\u901a\u904e\u4e86\u89e3\u9396\u7684\u985e\u578b\u3001\u6392\u67e5\u65b9\u6cd5\u4ee5\u53ca\u89e3\u6c7a\u7b56\u7565\uff0c\u958b\u767c\u8005\u548cDBA\u53ef\u4ee5\u66f4\u6709\u6548\u5730\u7ba1\u7406\u6578\u64da\u5eab\uff0c\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\u3002\u5982\u679c\u60a8\u9700\u8981\u9032\u4e00\u6b65\u7684\u652f\u6301\u6216\u5c0b\u627e\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22MySQL 8.0\u9396\u60c5\u6cc1\u6392\u67e5\u6280\u5de7\uff0c\u5b78\u6703\u5982\u4f55\u6709\u6548\u8a3a\u65b7\u548c\u89e3\u6c7a\u9396\u5b9a\u554f\u984c\uff0c\u63d0\u5347\u6578\u64da\u5eab\u6027\u80fd\u8207\u7a69\u5b9a\u6027\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-75714","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/75714","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=75714"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/75714\/revisions"}],"predecessor-version":[{"id":75715,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/75714\/revisions\/75715"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=75714"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=75714"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=75714"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}